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  <title>Other changes to extensions</title>

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</div><hr /><div id="migration53.extensions-other" class="section">
  <h2 class="title">Other changes to extensions</h2>
  <p class="simpara">
   以下扩展不再能在编译配置时进行关闭:
  </p>
  <ul class="itemizedlist">
   <li class="listitem">
    <span class="simpara">
     <a href="book.pcre.html" class="link">PCRE</a>
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.reflection.html" class="link">反射</a>
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.spl.html" class="link">SPL</a>
    </span>
   </li>
  </ul>
  <p class="simpara">
   扩展行为和新功能的改变:
  </p>
  <ul class="itemizedlist">
   <li class="listitem">
    <span class="simpara">
     <a href="book.datetime.html" class="link">日期和时间</a>
     - 获取时区时不再使用 TZ 环境变量.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.curl.html" class="link">cURL</a>
     - cURL 支持 SSH
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.network.html" class="link">Network</a>
     - <span class="function"><a href="function.dns-check-record.html" class="function">dns_check_record()</a></span> 现在返回一个额外的 &quot;entries&quot;
     索引, 包含 TXT 元素.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.hash.html" class="link">Hash</a>
     - SHA-224 和 salsa 哈希算法获得支持.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.mbstring.html" class="link">mbstring</a>
     - 现在支持 CP850 编码.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.oci8.html" class="link">OCI8</a>
     - 在持久连接上调用 <span class="function"><a href="function.oci-close.html" class="function">oci_close()</a></span> 或者在作用域外引用持久连接, 将回滚任何尚未提交的事务. 为了避免意外的行为, 根据需要明确发布和回滚事务. 使用 INI 指令<a href="oci8.configuration.html#ini.oci8.old-oci-close-semantics" class="link">oci8.old_oci_close_semantics</a>可以打开旧的行为.
    </span>
    <span class="simpara">
     数据库驻留连接池(DRCP)和快速应用通知(FAN)获得支持.
    </span>
    <span class="simpara">
     Oracle 外部认证获得支持(除了 Windows 平台).
    </span>
    <span class="simpara">
     <span class="function"><a href="function.oci-bind-by-name.html" class="function">oci_bind_by_name()</a></span> 函数现在支持 SQLT_AFC
     (又称 CHAR 数据类型).
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.openssl.html" class="link">OpenSSL</a>
     - 支持 OpenSSL 摘要和加密函数. 访问 DSA, RSA 和 DH 键的内部值变为可能.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.session.html" class="link">Session</a>
     - 当应用了 <a href="ini.core.html#ini.open-basedir" class="link">open_basedir</a> 限制, Session 不再将 Session 文件存储在 <em>&quot;/tmp&quot;</em> 目录中, 除非 <em>&quot;/tmp&quot;</em> 目录被明确添加到许可路径列表.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.soap.html" class="link">SOAP</a> 支持发送用户提供的 HTTP 头.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.mysqli.html" class="link">MySQLi</a>
     通过在主机名前面添加 <em>&quot;p:&quot;</em> 来支持持久连接.
    </span>
   </li>
   <li class="listitem">
    <span class="simpara">
     <a href="book.image.html" class="link">图片处理和 GD</a>
     <span class="function"><a href="function.gd-info.html" class="function">gd_info()</a></span> 函数返回的 &quot;JPG Support&quot; 索引变更为 &quot;JPEG Support&quot;.
    </span>
   </li>


  </ul>
 </div><hr /><div class="manualnavbar" style="text-align: center;">
 <div class="prev" style="text-align: left; float: left;"><a href="migration53.removed-extensions.html">被移除的扩展</a></div>
 <div class="next" style="text-align: right; float: right;"><a href="migration53.classes.html">新类</a></div>
 <div class="up"><a href="migration53.html">从 PHP 5.2.x 移植到 PHP 5.3.x</a></div>
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